1. The Pennsylvania State University, Department of Energy and Mineral Engineering, University Park, 110 Hosler Building, Pennsylvania 16802, United States
2. The Pennsylvania State University, Department of Physics, University Park, 104 Davey Laboratory, Pennsylvania 16802, United States
3. The Pennsylvania State University, Department of Mechanical and Nuclear Engineering, University Park, 137 Reber Building, Pennsylvania 16802, United States
4. The Pennsylvania State University, Materials Research Institute, University Park, 101 Materials Research Laboratory, Pennsylvania 16802, United StateseThe Pennsylvania State University, Altoona College, Department of Physics, 3000 Ivyside Park, Altoona, P
5. The Pennsylvania State University, Altoona College, Department of Chemistry, 3000 Ivyside Park, 104 Science Building, Altoona, Pennsylvania 16601, United States